The TPS61161 is a high-frequency boost converter with an integrated 40-V switch FET designed to drive up to 10 LEDs in series. It operates at a 600-kHz fixed switching frequency and features a 200-mV feedback voltage to reduce power loss in the external sense resistor. Brighness control is achieved through either the EasyScale one-wire digital interface or a PWM signal applied to the CTRL pin. The device includes integrated open LED protection, soft start, and thermal shutdown.
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| Input Voltage (Min) | 2.7V |
| Input Voltage (Max) | 18V |
| Output Voltage (Max) | 38V |
| Switch Current Limit | 0.7A |
| Switching Frequency | 600kHz |
| Feedback Voltage | 200mV |
| Efficiency | 90% |
| Number of Channels | 1 |
| RoHS | Compliant |
| REACH | Affected |
Download the complete datasheet for Texas Instruments TPS61161 to view detailed technical specifications.
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